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【单选题】
指数是表征烟煤[选择1]的指标。A.
煤种
B.
粘结性
C.
热稳定性
D.
结焦性
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皮皮学刷刷变学霸
举一反三
【简答题】Suce tension means the tendency of atoms or molecules to____________．
【简答题】Narrow categorizing is the tendency to limit a rule to a specific context.
【单选题】The sentence 'The tendency to criticize and be disgusted is perhaps taken up originally by imitation' in paragraph 2 means ______.
A.
criticizing has become a habit and no one wants to imitate them
B.
criticizing and being disgusted has become a tendency and it is caused initially by imitation
C.
this tendency should not be imitated
D.
imitation is one of the reasons why they always criticize others